(0 20 19)(1 21 18 16 4)(2 15 10 8 6)(3 7 5)(9 14 11)(12 17 13)
ALLOWS (11/8)-SEQUENCE
1: (0 2 8)

(0 6 2 20 19)(1 21 18 16 4)(3 7 5)(8 15 10)(9 14 11)(12 17 13)
2: (1 21 4)

(0 6 2 20 19)(1)(3 7 5)(4 18 16)(8 15 10)(9 14 11)(12 17 13)(21)
3: (2 20 6)

(0 6 19)(1)(2)(3 7 5)(4 18 16)(8 15 10)(9 14 11)(12 17 13)(20)(21)
4: (3 7 5)

(0 6 19)(1)(2)(3)(4 18 16)(5)(7)(8 15 10)(9 14 11)(12 17 13)(20)(21)